Mobile detection vehicle

Abstract

The utility model provides a mobile detection vehicle. The mobile detection vehicle comprises a first DC / DC converter, a second DC / DC converter, a vehicle-mounted battery pack, a first direct current charging gun and a second direct current charging gun, the vehicle-mounted battery pack transmits output first direct current to the first DC / DC converter through the first direct current charging gun, and the first DC / DC converter is used for converting the first direct current into second direct current; the second DC / DC converter is used for converting the second direct current into third direct current; the second direct current charging gun is used for inputting the third direct current into the battery pack to be tested for charging; the battery pack to be tested is used for transmitting an output sixth direct current to the second DC / DC converter through the second direct current charging gun, the second DC / DC converter is further used for converting the sixth direct current into a seventh direct current, and the first DC / DC converter is further used for converting the seventh direct current into an eighth direct current; the first direct current charging gun is further used for inputting the eighth direct current into the vehicle-mounted battery pack for charging. By adopting the scheme, the battery pack to be detected can be quickly charged or discharged, and the performance detection is realized.

Description

Technical Field

[0001] This utility model relates to the field of new energy technology, and in particular to a mobile testing vehicle. Background Technology

[0002] Traditional testing equipment for new energy electric vehicle battery packs is a fixed, on-site system that requires testing at designated vehicle inspection stations. For new energy vehicles exhibiting abnormalities on the road, corresponding battery pack testing is necessary, but for remote inspection stations, this presents problems such as long appointment times and low efficiency. Summary of the Invention

[0003] To solve the above-mentioned technical problems, this utility model provides a mobile testing vehicle, which moves quickly and charges or discharges the battery pack under test to achieve performance testing of the battery pack under test.

[0004] In a first aspect, this utility model provides a mobile testing vehicle, comprising: a driver's area and a working area, wherein the working area includes: an energy storage converter, a first DC / DC converter, a second DC / DC converter, an on-board battery pack, a first DC charging gun, and a second DC charging gun; wherein;

[0005] The vehicle-mounted battery pack is used to output a first DC power. A first DC charging gun is used to transmit the first DC power to a first DC / DC converter. The first DC / DC converter is used to convert the first DC power into a second DC power. An energy storage converter is used to convert the second DC power into a first AC power and then output it to the power grid. A second DC / DC converter is used to convert the second DC power into a third DC power. A second DC charging gun is used to input the third DC power into the battery pack under test for charging. The voltage of the first DC power is different from the voltage of the second DC power, and the voltage of the second DC power is different from the voltage of the third DC power.

[0006] The energy storage converter is also used to convert the second AC power received from the grid or the diesel-storage generator into a fourth DC power. The first DC / DC converter is also used to convert the fourth DC power into a fifth DC power. The first DC charging gun is also used to transmit the fifth DC power to the vehicle battery pack for charging. The voltage of the fourth DC power is different from the voltage of the fifth DC power.

[0007] The battery pack under test is used to output the sixth DC power. The second DC charging gun is also used to transmit the sixth DC power to the second DC / DC converter. The second DC / DC converter is also used to convert the sixth DC power into the seventh DC power. The first DC / DC converter is also used to convert the seventh DC power into the eighth DC power. The first DC charging gun is also used to input the eighth DC power into the vehicle battery pack for charging. The energy storage converter is also used to convert the seventh DC power into the third AC power and then output it to the power grid.

[0008] In one optional implementation, the mobile inspection vehicle further includes:

[0009] Controller, national standard charging module, and switch; among which,

[0010] The controller is used to send handshake commands to the national standard charging module through the switch. The national standard charging module is used to parse the handshake commands into handshake indications and input the handshake indications into the vehicle battery pack. In response to receiving the handshake indications, the vehicle battery pack is also used to send a reply indication to the national standard charging module. The national standard charging module is also used to parse the reply indications into reply instructions. After receiving the reply instructions, the controller is also used to send control instructions to the target device to control the target device.

[0011] The target device includes any one or more of the following: an energy storage converter, a first DC / DC converter, a second DC / DC converter, an on-board battery pack, or a battery pack under test.

[0012] In one optional implementation, the control command includes: a first control command;

[0013] The mobile testing vehicle also includes: a first switch; wherein the first switch is integrated into the vehicle battery pack;

[0014] The controller is also used to send a first control command to the national standard charging module via the switch. The national standard charging module is used to parse the first control command into a first control indication and input the first control indication to the vehicle battery pack to instruct the vehicle battery pack to turn on the first switch to output the first DC power.

[0015] In one optional implementation, the control command includes: a second control command;

[0016] The mobile testing vehicle also includes a second switch; wherein the second switch is integrated into the battery pack under test.

[0017] The controller is also used to send a second control command to the national standard charging module via the switch. The national standard charging module is used to parse the second control command into a second control indication and input the second control indication to the battery pack under test to instruct the battery pack under test to turn on the second switch to output the sixth DC power.

[0018] In one optional implementation, the control command includes: a third control command;

[0019] The controller is also used to send third control commands to the energy storage converter via the switch to control the switching transistors in the energy storage converter.

[0020] In one optional implementation, the control command includes: a fourth control command;

[0021] The controller is also used to send a fourth control command to the first DC / DC converter via the switch to control the switching transistors in the first DC / DC converter.

[0022] In one optional implementation, the control command includes: a fifth control command;

[0023] The controller is also used to send a fifth control command to the second DC / DC converter via the switch to control the switching transistors in the second DC / DC converter.

[0024] In one optional implementation, the mobile inspection vehicle further includes:

[0025] A communication module and a touchscreen that wirelessly communicates with the communication module; wherein...

[0026] The touchscreen, which is wirelessly connected to the communication module, is used to receive control information input by the user. The communication module is used to receive the control information sent by the touchscreen and input the control information to the controller.

[0027] In one optional implementation, the mobile inspection vehicle further includes:

[0028] A communication module and a cloud server that wirelessly communicates with the communication module; among which...

[0029] The cloud server, which wirelessly communicates with the communication module, is used to receive control information input by the user. The communication module is used to receive control information sent by the cloud server and input the control information into the controller.

[0030] In one optional implementation, the mobile inspection vehicle further includes:

[0031] Security module;

[0032] The safety module includes: an insulation detection module and a potential equalization module, wherein...

[0033] The potential equalization module is used to detect whether the potentials of different metal locations on the car body, where the battery pack under test is integrated, are equal.

[0034] The insulation testing module is used to test the insulation performance between the battery pack under test and the vehicle body that integrates the battery pack under test.

[0035] This utility model provides a mobile testing vehicle, including a driver's area and a working area. The working area includes an energy storage converter, a first DC / DC converter, a second DC / DC converter, an onboard battery pack, a first DC charging gun, and a second DC charging gun. The onboard battery pack outputs a first DC current, the first DC charging gun transmits the first DC current to the first DC / DC converter, the first DC / DC converter converts the first DC current into a second DC current, and the energy storage converter converts the second DC current into a first AC current before outputting it to the power grid. The second DC / DC converter converts the second DC current into a third DC current, and the second DC charging gun inputs the third DC current into the battery pack under test for charging. The voltage of the first DC current is different from the voltage of the second DC current, and the voltage of the second DC current is different from the voltage of the third DC current. The voltages of the DC power are different; the energy storage converter is also used to convert the second AC power received from the grid or the diesel-storage generator into the fourth DC power; the first DC / DC converter is also used to convert the fourth DC power into the fifth DC power; the first DC charging gun is also used to transmit the fifth DC power to the vehicle battery pack for charging; the voltage of the fourth DC power is different from the voltage of the fifth DC power; the battery pack under test is used to output the sixth DC power; the second DC charging gun is also used to transmit the sixth DC power to the second DC / DC converter; the second DC / DC converter is also used to convert the sixth DC power into the seventh DC power; the first DC / DC converter is also used to convert the seventh DC power into the eighth DC power; the first DC charging gun is also used to input the eighth DC power into the vehicle battery pack for charging; the energy storage converter is also used to convert the seventh DC power into the third AC power and then output it to the grid.

[0036] Using the aforementioned mobile testing vehicle, it can be quickly moved to the location of the battery pack to be tested, and can charge or discharge the battery pack to be tested to complete the performance test of the battery pack. As a result, cars with integrated battery packs to be tested do not need to make appointments at remote vehicle inspection stations, thus solving the problems of long appointment times and low efficiency of vehicle inspection stations. Attached Figure Description

[0037] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of another mobile energy storage vehicle provided by this utility model;

[0039] Figure 2 This is a schematic diagram of the working area 102 of a mobile energy storage vehicle provided by this utility model;

[0040] 1-Energy storage converter, 2-First DC / DC converter, 3-Second DC / DC converter, 4-On-board battery pack, 5-Battery pack under test, 6-First DC charging gun, 7-Second DC charging gun, 8-Power grid, 9-Controller, 10-Switch, 11-National standard charging module, 12-Communication module, 13-Touch screen, 14-Cloud server, 15-Security module. Detailed Implementation

[0041] The technical solutions of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0042] It should be noted that the terms "first," "second," "third," "fourth," "fifth," "sixth," "seventh," and "eighth" in this utility model are only used to distinguish different modules, DC charging guns, DC power, AC power, control commands, etc., and have no other meaning. They should not be used to limit the scope of protection of this utility model.

[0043] See Figure 1 This is a structural schematic diagram of a mobile inspection vehicle provided by this utility model, as shown below. Figure 1 As shown, specifically, the mobile inspection vehicle may include, but is not limited to, a driver's area 101 and a work area 102.

[0044] Figure 2 An exemplary schematic diagram of the working area 102 of a mobile energy storage vehicle is shown, such as... Figure 2 As shown, work area 102 may include, but is not limited to:

[0045] The system includes an energy storage converter 1, a first DC / DC (Direct Current to Direct Current Converter) converter 2, a second DC / DC converter 3, an on-board battery pack 4, a first DC charging gun 6, and a second DC charging gun 7; wherein,

[0046] The vehicle battery pack 4 can be used to output a first DC power, the first DC charging gun 6 can be used to transmit the first DC power to the first DC / DC converter 2, the first DC / DC converter 2 can be used to convert the first DC power into a second DC power, and the energy storage converter 1 can be used to convert the second DC power into a first AC power and output it to the power grid 8; the second DC / DC converter 3 can be used to convert the second DC power into a third DC power, and the second DC charging gun 7 can be used to input the third DC power into the battery pack under test 5 for charging. The voltage of the first DC power is different from the voltage of the second DC power, and the voltage of the second DC power is different from the voltage of the third DC power. The first DC power, the second DC power, and the third DC power are all different types of DC power.

[0047] The energy storage converter 1 can also be used to convert the second AC power received from the grid 8 or the diesel-storage generator into a fourth DC power. The first DC / DC converter 2 can also be used to convert the fourth DC power into a fifth DC power. The first DC charging gun 6 can also be used to transmit the fifth DC power to the vehicle battery pack 4 for charging. The voltage of the fourth DC power is different from that of the fifth DC power. Among them, the fourth DC power, the fifth DC power, and the sixth DC power are all different types of DC power. The battery pack under test 5 can be used to output the sixth DC power. The second DC charging gun 7 can also be used to transmit the sixth DC power to the second DC / DC converter 3. The second DC / DC converter 3 can also be used to convert the sixth DC power into a seventh DC power. The first DC / DC converter 2 can also be used to convert the seventh DC power into an eighth DC power. The first DC charging gun 6 can also be used to input the eighth DC power into the vehicle battery pack 4 for charging. The energy storage converter 1 can also be used to convert the seventh DC power into a third AC power and then output it to the grid 8.

[0048] It should be noted that the first AC power source, the second AC power source, and the third AC power source in this utility model are all AC power sources. Similarly, the first DC charging gun 6 and the second DC charging gun 7 in this utility model are both DC charging guns of the same type.

[0049] By charging and discharging the battery pack 5 under test, the charging and discharging performance of the battery pack 5 under test can be detected.

[0050] It should be noted that, in addition to the energy storage converter 1, the first DC / DC converter 2, the second DC / DC converter 3, the vehicle battery pack 4, the first DC charging gun 6, and the second DC charging gun 7, the working area 102 may also include, but is not limited to: a controller 9, a national standard charging module 11, and a switch 10; wherein,

[0051] The controller 9 can be used to send handshake commands to the national standard charging module 11 via the switch 10 and Ethernet cable. The national standard charging module 11 can be used to parse the handshake commands into handshake indications and input the handshake indications to the vehicle battery pack 4 via the CAN communication cable. Correspondingly, upon receiving the handshake indications, the vehicle battery pack 4 can also be used to send the reply indications to the national standard charging module 11 via the CAN communication cable. The national standard charging module 11 can also be used to parse the reply indications into reply instructions. After receiving the reply instructions, the controller 9 can also be used to send control instructions to the target device to control the target device.

[0052] The target device may include any one or more of the following: energy storage converter 1, first DC / DC converter 2, second DC / DC converter 3, vehicle battery pack 4, or battery pack under test 5.

[0053] Optionally, the controller 9 may include, but is not limited to, a data processing unit (DPU) or a dedicated processor.

[0054] Optionally, when the aforementioned control commands may include either a first control command or a second control command; the working area 102 includes, in addition to: an energy storage converter 1, a first DC / DC converter 2, a second DC / DC converter 3, an on-board battery pack 4, a first DC charging gun 6, a second DC charging gun 7, a controller 9, a national standard charging module 11, and a switch 10, the mobile testing vehicle may also include:

[0055] The first switch is integrated into the vehicle battery pack 4.

[0056] The controller 9 can also be used to send a first control command to the national standard charging module 11 via the switch 10 and the Ethernet cable. The national standard charging module 11 can be used to parse the first control command into a first control indication and input the first control indication to the vehicle battery pack 4 via the CAN communication cable to instruct the vehicle battery pack 4 to turn on the first switch to output the first DC power.

[0057] In addition to the following components: energy storage converter 1, first DC / DC converter 2, second DC / DC converter 3, on-board battery pack 4, first DC charging gun 6, second DC charging gun 7, controller 9, national standard charging module 11, and switch 10, the aforementioned mobile testing vehicle may also include:

[0058] The second switch is integrated into the battery pack 5 under test.

[0059] The controller 9 can also be used to send a second control command to the national standard charging module 11 via the switch 10 and the Ethernet cable. The national standard charging module 11 can be used to parse the second control command into a second control indication and input the second control indication to the battery pack under test 5 via the CAN communication cable to instruct the battery pack under test 5 to turn on the second switch to output the sixth DC power.

[0060] It should be noted that the above control instructions include: a third control instruction;

[0061] The controller 9 can also be used to send third control commands to the energy storage converter 1 via the switch 10 and Ethernet cable to control the switching transistors in the energy storage converter 1.

[0062] When the above control instructions include: a fourth control instruction

[0063] Controller 9 can also be used to send a fourth control command to the first DC / DC converter 2 via switch 10 and Ethernet cable to control the switching transistors in the first DC / DC converter 2.

[0064] When the control command includes: a fifth control command

[0065] Controller 9 can also be used to send a fifth control command to the second DC / DC converter 3 via switch 10 and Ethernet cable to control the switching transistors in the second DC / DC converter 3.

[0066] Preferably, the working area 102 includes: an energy storage converter 1, a first DC / DC converter 2, a second DC / DC converter 3, an on-board battery pack 4, a first DC charging gun 6, a second DC charging gun 7, a controller 9, a national standard charging module 11, and a switch 10. In addition, the mobile testing vehicle may also include:

[0067] Communication module 12, and touch screen 13 that wirelessly communicates with communication module 12; wherein,

[0068] The touch screen 13, which is wirelessly connected to the communication module 12 (e.g., 4G / 5G network / WIFI6), can be used to receive control information input by the user. The communication module 12 can be used to receive the control information sent by the touch screen 13 and input the control information to the controller 9 via Ethernet cable.

[0069] Preferably, the working area 102 includes: an energy storage converter 1, a first DC / DC converter 2, a second DC / DC converter 3, an on-board battery pack 4, a first DC charging gun 6, a second DC charging gun 7, a controller 9, a national standard charging module 11, and a switch 10. In addition, the mobile testing vehicle may also include:

[0070] Communication module 12, and cloud server 14 connected to communication module 12 via wireless communication (e.g., 4G / 5G network / WIFI 6); wherein,

[0071] The cloud server 14, which is wirelessly connected to the communication module 12, can be used to receive control information input by the user. The communication module 12 is used to receive the control information sent by the cloud server 14 and input the control information to the controller 9 via an Ethernet cable.

[0072] Preferably, the working area 102 includes: an energy storage converter 1, a first DC / DC converter 2, a second DC / DC converter 3, an on-board battery pack 4, a first DC charging gun 6, a second DC charging gun 7, a controller 9, a national standard charging module 11, and a switch 10. In addition, the mobile testing vehicle may also include:

[0073] The safety module 15 includes: an insulation detection module and a potential equalization module, wherein...

[0074] The potential equalization module is used to detect whether the potentials at different metal locations on the car body, where the battery pack under test 5 is integrated, are equal.

[0075] An insulation testing module is used to test the insulation performance between the battery pack under test 5 and the body of the car in which the battery pack under test 5 is integrated.

[0076] It should be noted that the safety module 15 is connected to the controller 9 via an RS485 / RS232 cable; that is, the safety module 15 can receive preset control information from the controller 9 via the RS485 / RS232 cable to monitor the voltage between the battery pack under test 5 and the vehicle body integrating the battery pack under test 5, or the safety module 15 can receive preset control information from the controller 9 via the RS485 / RS232 cable to perform equalization processing on the battery pack under test 5, so that the voltage and capacity of each cell in the battery pack under test 5 are consistent. By performing insulation detection and potential equalization on the battery pack under test 5, the safety performance of the battery pack under test 5 is tested.

[0077] It should be noted that, in addition to the following components: energy storage converter 1, first DC / DC converter 2, second DC / DC converter 3, on-board battery pack 4, first DC charging gun 6, second DC charging gun 7, controller 9, national standard charging module 11, and switch 10, the mobile testing vehicle may also include:

[0078] Sensors are used to detect the temperature and pressure of the battery pack 5 under test in real time.

[0079] Preferably, the communication module 12 can also send the real-time indicators of the battery pack 5 under test (such as the voltage between the battery pack 5 and the vehicle body; the voltage and capacity of each cell in the battery pack 5; the real-time discharge power and charging power of the battery pack 5; and the real-time temperature and pressure of the battery pack 5) detected by the safety module 15 to the battery management device or the cloud server 14.

[0080] Figures 1 to 2 This is only used to illustrate the embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0081] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A mobile inspection vehicle, comprising: The driving area (101) and the working area (102) are characterized in that, The working area (102) includes: an energy storage converter (1), a first DC / DC converter (2), a second DC / DC converter (3), an on-board battery pack (4), a first DC charging gun (6), and a second DC charging gun (7); wherein, The vehicle battery pack (4) is used to output the first DC power, the first DC charging gun (6) is used to transmit the first DC power to the first DC / DC converter (2), the first DC / DC converter (2) is used to convert the first DC power into the second DC power, the energy storage converter (1) is used to convert the second DC power into the first AC power and output it to the power grid (8); the second DC / DC converter (3) is used to convert the second DC power into the third DC power, and the second DC charging gun (7) is used to input the third DC power into the battery pack under test (5) for charging. The voltage of the first DC power is different from the voltage of the second DC power, and the voltage of the second DC power is different from the voltage of the third DC power. The energy storage converter (1) is also used to convert the second AC power received from the grid (8) or the diesel-storage generator into the fourth DC power. The first DC / DC converter (2) is also used to convert the fourth DC power into the fifth DC power. The first DC charging gun (6) is also used to transmit the fifth DC power to the vehicle battery pack (4) for charging. The voltage of the fourth DC power is different from the voltage of the fifth DC power. The battery pack under test (5) is used to output the sixth DC power. The second DC charging gun (7) is also used to transmit the sixth DC power to the second DC / DC converter (3). The second DC / DC converter (3) is also used to convert the sixth DC power into the seventh DC power. The first DC / DC converter (2) is also used to convert the seventh DC power into the eighth DC power. The first DC charging gun (6) is also used to input the eighth DC power into the vehicle battery pack (4) for charging. The energy storage converter (1) is also used to convert the seventh DC power into the third AC power and output it to the power grid (8).

2. The mobile inspection vehicle as described in claim 1, characterized in that, Also includes: The system comprises a controller (9), a national standard charging module (11), and a switch (10); among which, The controller (9) is used to send a handshake instruction to the national standard charging module (11) through the switch (10). The national standard charging module (11) is used to parse the handshake instruction into a handshake indication and input the handshake indication into the vehicle battery pack (4). Corresponding to receiving the handshake indication, the vehicle battery pack (4) is also used to send a reply indication to the national standard charging module (11). The national standard charging module (11) is also used to parse the reply indication into a reply instruction. The controller (9) is also used to send a control instruction to the target device to control the target device after receiving the reply instruction. The target device includes any one or more of the following: an energy storage converter (1), a first DC / DC converter (2), a second DC / DC converter (3), an on-board battery pack (4), or a battery pack under test (5).

3. The mobile inspection vehicle as described in claim 2, characterized in that, The control command includes: a first control command; The mobile testing vehicle also includes: a first switch; wherein the first switch is integrated into the vehicle battery pack; The controller (9) is also used to send a first control command to the national standard charging module (11) through the switch (10). The national standard charging module (11) is used to parse the first control command into a first control indication and input the first control indication into the vehicle battery pack (4) to instruct the vehicle battery pack (4) to turn on the first switch to output the first DC power.

4. The mobile inspection vehicle as described in claim 2, characterized in that, The control command includes: a second control command; The mobile testing vehicle also includes: a second switch; wherein the second switch is integrated into the battery pack (5) under test; The controller (9) is also used to send a second control command to the national standard charging module (11) through the switch (10). The national standard charging module (11) is used to parse the second control command into a second control indication and input the second control indication to the battery pack under test (5) to instruct the battery pack under test (5) to turn on the second switch to output the sixth DC power.

5. The mobile inspection vehicle as described in claim 2, characterized in that, The control commands include: a third control command; The controller (9) is also used to send a third control command to the energy storage converter (1) via the switch (10) to control the switching tubes in the energy storage converter (1).

6. The mobile inspection vehicle as described in claim 2, characterized in that, The control command includes: a fourth control command; The controller (9) is also used to send a fourth control command to the first DC / DC converter (2) via the switch (10) to control the switching transistors in the first DC / DC converter (2).

7. The mobile inspection vehicle as described in claim 2, characterized in that, The control commands include: the fifth control command; The controller (9) is also used to send a fifth control command to the second DC / DC converter (3) via the switch (10) to control the switching transistors in the second DC / DC converter (3).

8. The mobile inspection vehicle as described in claim 2, characterized in that, Also includes: Communication module (12), and touch screen (13) wirelessly connected to communication module (12); wherein, The touch screen (13) is wirelessly connected to the communication module (12) to receive control information input by the user. The communication module (12) is used to receive the control information sent by the touch screen (13) and input the control information to the controller (9).

9. The mobile inspection vehicle as described in claim 2, characterized in that, Also includes: Communication module (12), and cloud server (14) that wirelessly communicates with communication module (12); wherein, The cloud server (14) is wirelessly connected to the communication module (12) to receive control information input by the user. The communication module (12) is used to receive control information sent by the cloud server (14) and input the control information to the controller (9).

10. The mobile inspection vehicle as described in claim 2, characterized in that, Also includes: Security module (15); The safety module (15) includes: an insulation detection module and a potential equalization module, wherein, The potential equalization module is used to detect whether the potentials of different metal positions on the body of the car that integrates the battery pack under test (5) are equal. An insulation testing module is used to test the insulation performance between the battery pack under test (5) and the body of the car that integrates the battery pack under test (5).

Images